package cn.devzyh.xhub.common.utils;

import cn.devzyh.xhub.common.constant.HttpStatus;
import cn.devzyh.xhub.common.core.domain.BaseEntity;
import cn.devzyh.xhub.common.core.domain.entity.SysUser;
import cn.devzyh.xhub.common.core.domain.model.LoginUser;
import cn.devzyh.xhub.common.exception.ServiceException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * 安全服务工具类
 *
 * @author ruoyi
 */
public class SecurityUtils {
    /**
     * 用户ID
     **/
    public static Long getUserId() {
        try {
            return getLoginUser().getUserId();
        } catch (Exception e) {
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取部门ID
     **/
    public static Long getDeptId() {
        try {
            return getLoginUser().getDeptId();
        } catch (Exception e) {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户账户
     **/
    public static String getUserName() {
        try {
            return getLoginUser().getUsername();
        } catch (Exception e) {
            throw new ServiceException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUser getLoginUser() {
        try {
            return (LoginUser) getAuthentication().getPrincipal();
        } catch (Exception e) {
            throw new ServiceException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication() {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }

    /**
     * 判断密码是否相同
     *
     * @param rawPassword     真实密码
     * @param encodedPassword 加密后字符
     * @return 结果
     */
    public static boolean matchesPassword(String rawPassword, String encodedPassword) {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPassword, encodedPassword);
    }

    /**
     * 是否为管理员
     *
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Long userId) {
        return userId != null && 1L == userId;
    }

    /**
     * 是否是数据所有者
     *
     * @param entity
     * @return
     */
    public static boolean isOwner(BaseEntity entity) {
        if (entity == null) {
            return false;
        }

        if (isAdmin(getUserId())) {
            return true;
        }

        if (getUserName().equals(entity.getCreateBy())) {
            return true;
        } else {
            return false;
        }
    }

    /**
     * 使用定时任务用户执行
     */
    public static void schedulerUser() {
        LoginUser login = new LoginUser();
        SysUser user = new SysUser();
        user.setUserId(1L);
        user.setUserName("scheduler");
        login.setUser(user);
        login.setUserId(1L);
        SecurityContextHolder.getContext().setAuthentication(
                new UsernamePasswordAuthenticationToken(login, ""));
    }

}
